Home / 13,345-18,414.50-7,966.44

Finding the Fourth Proportional to 13,345, 18,414.50 and 7,966.44

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Solution

The fourth proportional to 13,345, 18,414.50 and 7,966.44 is: 10,992.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,345 : 18,414.50 = 7,966.44 : x
  2. Step 2: Convert to fraction form
    13,345/18,414.50 = 7,966.44/x
  3. Step 3: Cross multiply
    13,345x = 18,414.50 × 7,966.44
  4. Step 4: Simplify right side
    13,345x = 146,698,009.38
  5. Step 5: Solve for x
    x = 146,698,009.38/13,345
  6. Step 6: Final answer
    x = 10,992.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.